ubnsqb tbnsq sbns rbnsqb qbnsq
5kmsq 4kms 3kmsqb 2kmsq 1kms
guls fulsqb eulsq duls culsqb
r3ksqb q3ksq p3ks o3ksqb n3ksq
2cksq 1cks 0cksqb zcksq ycks